This solved it, thank you so much!

Update 2: A couple months have passed since the previous posts, and the graphical issues have returned. I think my graphics drivers updated automatically again. I haven't attempted to roll back to the version that works yet, but in the interest of not having to use the same driver forever, I would ...

Update: I have installed an older version of the same driver, and the graphical issues are no longer present. As a short term solution, this is satisfactory.

I launched my game from steam as normal, after a one-day break. When I reached the main menu screen, the menu simulations were visibly buggy and would occasionally fully fragment. It wasn't significant enough to catch my attention before I swapped to the Modding page, where a good portion of the ...